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Finding the Fourth Proportional to 121,700.28, 167,945.96 and 67,250.94

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Solution

The fourth proportional to 121,700.28, 167,945.96 and 67,250.94 is: 92,806.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,700.28 : 167,945.96 = 67,250.94 : x
  2. Step 2: Convert to fraction form
    121,700.28/167,945.96 = 67,250.94/x
  3. Step 3: Cross multiply
    121,700.28x = 167,945.96 × 67,250.94
  4. Step 4: Simplify right side
    121,700.28x = 11,294,523,679.20
  5. Step 5: Solve for x
    x = 11,294,523,679.20/121,700.28
  6. Step 6: Final answer
    x = 92,806.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.